From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54065) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cIr0o-00059r-52 for qemu-devel@nongnu.org; Mon, 19 Dec 2016 01:01:28 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cIr0k-0004wF-GJ for qemu-devel@nongnu.org; Mon, 19 Dec 2016 01:01:26 -0500 Received: from mga06.intel.com ([134.134.136.31]:33815) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cIr0k-0004Vl-9F for qemu-devel@nongnu.org; Mon, 19 Dec 2016 01:01:22 -0500 From: Wei Wang Date: Mon, 19 Dec 2016 13:59:10 +0800 Message-Id: <1482127152-84732-36-git-send-email-wei.w.wang@intel.com> In-Reply-To: <1482127152-84732-1-git-send-email-wei.w.wang@intel.com> References: <1482127152-84732-1-git-send-email-wei.w.wang@intel.com> Subject: [Qemu-devel] [RESEND Patch v1 35/37] vhost-pci-net: start the vhost-pci-net device List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: marcandre.lureau@gmail.com, mst@redhat.com, stefanha@redhat.com, pbonzini@redhat.com, qemu-devel@nongnu.org, virtio-dev@lists.oasis-open.org Cc: Wei Wang If the peer device on the other side doesn't need to be reset, then start the device when DRIVER_OK is received. Signed-off-by: Wei Wang --- hw/net/vhost-pci-net.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/hw/net/vhost-pci-net.c b/hw/net/vhost-pci-net.c index 3289f4d..4f2fab4 100644 --- a/hw/net/vhost-pci-net.c +++ b/hw/net/vhost-pci-net.c @@ -22,6 +22,16 @@ #define VPNET_CQ_SIZE 32 #define VPNET_RQ_SIZE 256 +static void vpnet_set_link_up(VhostPCINet *vpnet) +{ + VirtIODevice *vdev = VIRTIO_DEVICE(vpnet); + uint16_t old_status = vpnet->status; + + vpnet->status |= VPNET_S_LINK_UP; + if (vpnet->status != old_status) + virtio_notify_config(vdev); +} + void vpnet_set_peer_vq_num(VhostPCINet *vpnet, uint16_t num) { vpnet->peer_vq_num = num; @@ -127,6 +137,11 @@ static void vpnet_set_status(struct VirtIODevice *vdev, uint8_t status) if (status & VIRTIO_CONFIG_S_DRIVER_OK) { vpnet_send_peer_mem_msg(vpnet); vpnet_send_peer_vq_msg(vpnet); + /* If the peer device is not reset, start the device now */ + if (!vp_slave->peer_reset) { + vdev->status = status; + vpnet_set_link_up(vpnet); + } } } -- 2.7.4